kc3-lang/automake/t/lex-line.sh

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• Hash : 7df8b28c
  Author :
  Date : 2012-12-31T18:18:37
  

  maint: update copyright year for 2013 (in branch maint)
  
  Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
  

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• t/lex-line.sh

• #! /bin/sh
  # Copyright (C) 2011-2013 Free Software Foundation, Inc.
  #
  # This program is free software; you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation; either version 2, or (at your option)
  # any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  # Check that automake lex support ensures that lex-generated C
  # files use correct "#line" directives.  Try also with the
  # 'subdir-object' option enabled.
  # See also sister test 'yacc-line.sh'.
  
  required='cc lex'
  . test-init.sh
  
  cat >> configure.ac << 'END'
  AC_CONFIG_FILES([sub/Makefile])
  AC_PROG_CC
  AM_PROG_CC_C_O
  AC_PROG_LEX
  AC_OUTPUT
  END
  
  mkdir dir sub sub/dir
  
  cat > Makefile.am << 'END'
  SUBDIRS = sub
  bin_PROGRAMS = foo bar
  LDADD = $(LEXLIB)
  bar_LFLAGS = -v
  foo_SOURCES = zardoz.l
  bar_SOURCES = dir/quux.l
  ## Avoid spurious failures with Solaris make.
  zardoz.@OBJEXT@: zardoz.c
  bar-quux.@OBJEXT@: bar-quux.c
  END
  
  cat > sub/Makefile.am << 'END'
  AUTOMAKE_OPTIONS = subdir-objects
  noinst_PROGRAMS = foo bar
  ## We already used $(LEXLIB) above, so try @LEXLIB@ now.
  LDADD = @LEXLIB@
  foo_LFLAGS = -v
  foo_SOURCES = zardoz.l
  bar_SOURCES = dir/quux.l
  ## Avoid spurious failures with Solaris make.
  foo-zardoz.@OBJEXT@: foo-zardoz.c
  dir/quux.@OBJEXT@: dir/quux.c
  END
  
  cat > zardoz.l << 'END'
  %{
  #define YY_NO_UNISTD_H 1
  %}
  %%
  "END"  return EOF;
  .
  %%
  int main ()
  {
    while (yylex () != EOF)
      ;
    return 0;
  }
  
  /* Avoid possible link errors. */
  int yywrap (void)
  {
    return 1;
  }
  END
  
  cp zardoz.l dir/quux.l
  cp zardoz.l sub/zardoz.l
  cp zardoz.l sub/dir/quux.l
  
  c_outputs='zardoz.c bar-quux.c sub/foo-zardoz.c sub/dir/quux.c'
  
  $ACLOCAL
  $AUTOCONF
  $AUTOMAKE -a
  
  for vpath in : false; do
  
    if $vpath; then
      srcdir=..
      mkdir build
      cd build
    else
      srcdir=.
    fi
  
    $srcdir/configure
    $MAKE
  
    # For debugging,
    ls -l . sub sub/dir
    $EGREP 'line|\.l' $c_outputs
  
    grep '#.*line.*build.*\.l' $c_outputs && exit 1
    # Adjusted "#line" should not contain reference to the absolute
    # srcdir.
    $EGREP '#.*line *"?/.*\.l' $c_outputs && exit 1
    # Adjusted "#line" should not contain reference to the default
    # output file names, e.g., 'lex.yy.c'.
    grep '#.*line.*lex\.yy' $c_outputs && exit 1
    # Look out for a silly regression.
    grep "#.*\.l.*\.l" $c_outputs && exit 1
    if $vpath; then
      grep '#.*line.*"\.\./zardoz\.l"' zardoz.c
      grep '#.*line.*"\.\./dir/quux\.l"' bar-quux.c
      grep '#.*line.*"\.\./\.\./sub/zardoz\.l"' sub/foo-zardoz.c
      grep '#.*line.*"\.\./\.\./sub/dir/quux\.l"' sub/dir/quux.c
    else
      grep '#.*line.*"zardoz\.l"' zardoz.c
      grep '#.*line.*"dir/quux\.l"' bar-quux.c
      grep '#.*line.*"zardoz\.l"' sub/foo-zardoz.c
      grep '#.*line.*"dir/quux\.l"' sub/dir/quux.c
    fi
  
    cd $srcdir
  
  done
  
  :
  

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